If a star's measured parallax is 0.2 arcsec, what is its distance?
A) 2 pc
B) 5 pc
C) 20 pc
D) 40 pc
E) 50 pc
Correct Answer:
Verified
Q1: Two main-sequence stars have the same temperature.If
Q2: A parsec is a measure of
A) time.
B)
Q3: Parallax is used to measure a star's
A)
Q4: What is the difference between apparent brightness
Q5: Star A and star B appear equally
Q7: You observe two stars in a visual
Q8: Star A is a red star.Star B
Q9: How many arcseconds are there in 1
Q10: What advantage do you gain by having
Q11: Star A and star B both have
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